BE1013569A3 - Floor covering. - Google Patents

Floor covering. Download PDF

Info

Publication number
BE1013569A3
BE1013569A3 BE2000/0397A BE200000397A BE1013569A3 BE 1013569 A3 BE1013569 A3 BE 1013569A3 BE 2000/0397 A BE2000/0397 A BE 2000/0397A BE 200000397 A BE200000397 A BE 200000397A BE 1013569 A3 BE1013569 A3 BE 1013569A3
Authority
BE
Belgium
Prior art keywords
floor covering
panels
coupling means
tooth
lip
Prior art date
Application number
BE2000/0397A
Other languages
Dutch (nl)
Original Assignee
Unilin Beheer Bv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Unilin Beheer Bv filed Critical Unilin Beheer Bv
Priority to BE2000/0397A priority Critical patent/BE1013569A3/en
Priority claimed from CA2580835A external-priority patent/CA2580835C/en
Priority claimed from CA2453311A external-priority patent/CA2453311C/en
Priority claimed from DE20121828U external-priority patent/DE20121828U1/en
Application granted granted Critical
Publication of BE1013569A3 publication Critical patent/BE1013569A3/en

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/02038Flooring or floor layers composed of a number of similar elements characterised by tongue and groove connections between neighbouring flooring elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/02Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board the layer being formed of fibres, chips, or particles, e.g. MDF, HDF, OSB, chipboard, particle board, hardboard
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/042Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of wood
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/14Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood board or veneer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/02Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/06Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers together; for attaching the product to another member, e.g. to a support, or to another product, e.g. groove/tongue, interlocking
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/04Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/04Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
    • E04F15/045Layered panels only of wood
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/10Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/10Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/102Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials of fibrous or chipped materials, e.g. bonded with synthetic resins
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/10Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/107Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials composed of several layers, e.g. sandwich panels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2451/00Decorative or ornamental articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2471/00Floor coverings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/01Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0107Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges
    • E04F2201/0115Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges with snap action of the edge connectors
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/01Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0153Joining sheets, plates or panels with edges in abutting relationship by rotating the sheets, plates or panels around an axis which is parallel to the abutting edges, possibly combined with a sliding movement
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/01Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0153Joining sheets, plates or panels with edges in abutting relationship by rotating the sheets, plates or panels around an axis which is parallel to the abutting edges, possibly combined with a sliding movement
    • E04F2201/0161Joining sheets, plates or panels with edges in abutting relationship by rotating the sheets, plates or panels around an axis which is parallel to the abutting edges, possibly combined with a sliding movement with snap action of the edge connectors
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/02Non-undercut connections, e.g. tongue and groove connections
    • E04F2201/023Non-undercut connections, e.g. tongue and groove connections with a continuous tongue or groove
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/02Non-undercut connections, e.g. tongue and groove connections
    • E04F2201/026Non-undercut connections, e.g. tongue and groove connections with rabbets, e.g. being stepped
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/04Other details of tongues or grooves
    • E04F2201/043Other details of tongues or grooves with tongues and grooves being formed by projecting or recessed parts of the panel layers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B2200/00Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/30Dovetail-like connections
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/70Interfitted members
    • Y10T403/7073Peripheral enlargement, depression, or slot on one member is joint component
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/17Three or more coplanar interfitted sections with securing means

Abstract

The invention relates to a floor covering consisting of hard panels (2) which are provided on at least two opposite edges (3-4) (5-6) with coupling means (7) formed in one piece with the panels (2), said coupling means (7) ) provide a lock in a direction (R1) perpendicular to the surface of the floor covering (1), as well as in a direction (R2) perpendicular to the respective edges (3-4, 5-6) and parallel to the plane of the floor covering (1). These coupling means (7) comprise a tooth (8) and a groove (9). The lip (11) located at the bottom of the groove (9) is longer than the lip (10) at the top. The edge (5) provided with the tooth (8) is flexible.

Description


    <Desc / Clms Page number 1>
 



  Floor covering.



  This invention relates to a floor covering, more particularly of the type consisting of hard panels.



  In particular, it relates to a floor covering formed from laminate panels, also referred to as laminate parquet.



  It is known that such laminate panels can be of different layers. The panels are generally formed from wood-based plates, such as chipboard or fiberboard, more particularly MDF or HDF, with at least one layer or layers including a decorative layer at the top. The decorative layer may be a printed paper layer, but equally well, in certain embodiments, a layer of wood, more particularly veneer. Such panels can also be made of other materials, for example purely plastic, or of a base plate based on wood, such as chipboard, MDF or HDF and the like, on which a different material, such as cork, is provided instead of a printed paper layer or veneer. , thin parquet slats, and the like.



  It is also known to connect these panels to their edges when laying them, either by means of a traditional tongue and groove connection, whereby they may be glued together, or by means of a glueless coupling which can be used both horizontally and vertically. provides for mutual locking of the panels, for example as described in international patent application no. 97/47834.

  <Desc / Clms Page number 2>

 



  It is an object of the invention to provide a floor covering made of hard panels, more particularly laminate panels, which according to various aspects provides new designs that provide respective advantages.



  According to a first aspect, the invention therefore also provides a floor covering consisting of hard panels, wherein these panels are provided on at least two opposite edges with coupling means designed in one piece with which the panels can be mutually coupled to each other, wherein these coupling means providing a locking in a direction perpendicular to the surface of the floor covering, as well as in a direction perpendicular to the relevant edges and parallel to the surface of the floor covering, wherein the aforementioned coupling means comprise a tooth and a groove and the lip of which the lower side of the groove, hereinafter referred to as lower lip, is longer than the upper lip, hereinafter referred to as upper lip, characterized in that the edge provided with the tooth is flexible.



  Because the edge to which the tooth is arranged is flexible, bends occurring during coupling of the panels are absorbed by this edge and the aforementioned lower lip is protected from large bends, whereby the material is torn by bending the lower lip is excluded.



  Preferably, the lower lip is even rigid, by making it sufficiently thick, so that bending in this lip is completely excluded.



  According to a first possibility, the aforementioned

  <Desc / Clms Page number 3>

 flexibility achieved by making the tooth bendable at least. According to a second possibility, which is preferably combined with the first, and which contributes even better to obtaining the necessary flexibility, the tooth is situated on a part which is connected via a bending zone, in the form of a local dilution with the actual panel.



  Specific advantages of the embodiment according to the first aspect are further explained in the detailed description below.



  The coupling means are preferably embodied such that they allow the panels to be coupled to each other by sliding them towards each other laterally.



  According to a second aspect, the invention provides a floor covering consisting of hard panels, wherein these panels are provided with coupling means on at least two opposite edges so that a plurality of such panels can be mutually coupled to each other, said coupling means providing a locking in a direction perpendicular to each other on the surface of the floor covering, as well as in a direction perpendicular to the relevant edges and parallel to the surface of the floor covering, wherein the aforementioned coupling means comprise a tooth and a groove and wherein the lip located on the underside of the groove, hereinafter called lower lip, is longer than the upper lip, hereinafter referred to as upper lip, characterized in that the coupling means consist at least of first coupling parts formed by contact surfaces cooperating with each other,

   respectively on the top of the tooth and the bottom of the upper lip; second coupling portions formed by

  <Desc / Clms Page number 4>

 contact surfaces, respectively, at the top of the lower lip and an opposite portion of the other panel; and third coupling parts which provide the horizontal locking which are situated at the location of the lower lip, but further than the free end of the upper lip, said third coupling parts being situated between the first and the second.



  As a result, the vertical forces that occur when walking over the floor covering are distributed over two places, which results in a better distribution of forces.



  The third coupling parts preferably consist of an inwardly-contacting contact surface arranged on this lip near the free end of the lower lip and a contact surface cooperating with it and formed on the other panel.



  The second coupling portions preferably consist of a contact surface formed at the top of the free end of the lower lip, as well as a contact surface cooperating with it at the bottom of the other panel.



  It is also preferred that there is a free space under the tooth that extends from the tip of the tooth to the third coupling parts. This makes it easier to insert the tooth into the groove without having to use very precise tolerances.



  According to a third aspect, the invention provides a floor covering consisting of hard panels, wherein these panels are provided with coupling means on at least two opposite edges, whereby several of

  <Desc / Clms Page number 5>

 such panels can be mutually coupled, wherein these coupling means provide a locking in a direction perpendicular to the surface of the floor covering, as well as in a direction perpendicular to the relevant edges and parallel to the surface of the floor covering, wherein said coupling means tooth and a groove and wherein the lip located at the bottom of the groove, hereinafter referred to as the lower lip, is longer than the lip at the top, hereinafter referred to as the upper lip,

   characterized in that the coupling means consist of at least first coupling parts formed by contact surfaces cooperating with each other, respectively at the top of the tooth and the bottom of the upper lip; second coupling portions formed by contact surfaces, respectively, at the top of the lower lip and an opposite portion of the other panel; and third coupling parts which provide the horizontal locking which are situated at the location of the lower lip, but further than the free end of the upper lip, wherein the second coupling parts are situated between the first and the third and wherein these second coupling parts consist of contact surfaces cooperating with each other and defining a local contact zone which is located in the middle or substantially in the middle between the tip of the tooth and the third coupling parts.



  By making use of such a local contact zone, a space remains between this zone and the tip of the tooth, on the underside of the latter, which ensures that there is freedom of movement for the tooth during the assembly of the panels.



  According to a fourth aspect, the invention provides a floor covering consisting of hard panels, wherein it

  <Desc / Clms Page number 6>

 panels on at least two opposite edges are provided with coupling means designed in one piece with which the panels can be mutually coupled to each other, said coupling means providing a locking in a direction perpendicular to the plane of the floor covering, and in a direction perpendicular to each other on the respective edges and parallel to the surface of the floor covering, and wherein the aforementioned coupling means comprise a tooth and a groove, characterized in that the lip which is situated at the top of the groove, hereinafter referred to as the upper lip, is longer than the lip located at the bottom of the groove, hereinafter referred to as the lower lip,

   and that the aforementioned coupling means comprise coupling portions which effect locking in the horizontal direction, said coupling portions consisting at least of mutually cooperating contact surfaces which are respectively on the underside of the upper lip, outside the distal end of the lower lip, and on the opposite portion of the edge of the other panel.



  Because the locking takes place at the upper lip, a check on the reliability of the connection can be carried out on it more easily during laying than in the case that the locking takes place at the lower lip.



  According to a fifth aspect, the invention provides a floor covering consisting of hard panels, wherein these panels are provided on at least two opposite edges with coupling means designed in one piece with which the panels can be mutually coupled to each other, said coupling means providing a lock according to one

  <Desc / Clms Page number 7>

 direction perpendicular to the surface of the floor covering, as well as in a direction perpendicular to the relevant edges and parallel to the surface of the floor covering, and wherein the aforementioned coupling means comprise a tooth and a groove, characterized in that the lip is on the top side of the groove, hereinafter referred to as the upper lip, is longer than the lip which is located at the bottom of the groove, hereinafter referred to as the lower lip,

   and that the aforementioned coupling means comprise coupling parts which effect the locking in the horizontal direction, and wherein these coupling means allow these panels to be mutually disconnected by pivoting them with their underside downwards and towards each other.



   By making use of coupling means whereby the panels can be taken apart by pivoting them downwards, and preferably can only be taken apart by this movement, it is obtained that such panels are particularly firmly assembled on the coupling means in question, and squeezed even more firmly when walking.



   The panels are herein preferably rectangular and are provided on two pairs of edges with coupling means which allow the panels to be disengaged via an upward rotation to release them, while they are provided on the other pair of edges, as mentioned above. of coupling means which only permit unlocking by pivoting the coupled panels towards each other with their underside. The opposite turning movements also increase the guarantee that a solid coupling will always be available.



   It is noted that in the case of elongated panels the

  <Desc / Clms Page number 8>

 coupling means allowing an unlocking by pivoting the panels upwards, preferably arranged on the longitudinal sides, while the coupling means allowing an unlocking by pivoting the panels downward, are preferably arranged on the shortest sides.



  According to a sixth aspect, the invention provides a floor covering consisting of hard panels, wherein these panels are provided on at least two opposite edges with coupling means designed in one piece with which the panels can be mutually coupled to each other, said coupling means providing a locking according to a direction perpendicular to the surface of the floor covering, as well as in a direction perpendicular to the relevant edges and parallel to the surface of the floor covering, and wherein said coupling means comprise a tooth and a groove, characterized in that the locking in horizontal direction is at least formed by coupling portions in the form of a local protrusion in the upper side of the aforementioned tooth,

   that engages in a recess in the lip that defines the top of the groove.



  An advantage of this embodiment is that, since the protrusion is local, the recess can also have relatively small dimensions and the upper lip is only locally weakened.



  According to the sixth aspect, there is preferably no locking in the horizontal direction on the lower lip.

  <Desc / Clms Page number 9>

 



    According to a seventh aspect the invention provides a floor covering consisting of hard panels, wherein these panels are provided on at least two opposite edges with coupling means designed in one piece with which the panels can be mutually coupled to one another, said coupling means providing a locking in a direction perpendicular to the surface of the floor covering, as well as in a direction perpendicular to the relevant edges and parallel to the surface of the floor covering, and wherein:

   - the aforementioned coupling means comprise a tooth and a groove, said groove being delimited at the bottom, respectively top, by a lip, hereinafter referred to as lower lip and upper lip respectively, the distal end of the upper lip being a vertical plane, hereinafter called plane VI; - the lower lip is longer than the upper lip; - at the part of the lower lip extending beyond the free end of the upper lip, a locking part is present with a contact surface which, in the coupled state, cooperates with a contact surface arranged on the other panel, said contact surfaces in the coupled state being a contact zone shapes whose center defines a vertical plane, hereinafter referred to as plane V2;

   - for the aforementioned locking part, in the direction of the groove, a space open at the top is formed in the lower lip; - in the coupled state in cross-section a contact zone exists in which the top side of the tooth makes contact with the bottom side of the upper lip, the most inward point of this

  <Desc / Clms Page number 10>

 contact zone a first vertical plane, then plane
Called V3, defines, the outermost point of this contact zone defines a second vertical plane, hereinafter referred to as plane V4, and both planes V3 and V4 define a mid-plane vertical plane, hereinafter referred to as plane V5; the top of the locking portion defines a horizontal level, hereinafter referred to as level N1;

   the underside of the portion to which the tooth is mounted, which extends from the tip of the tooth to the locking zone, defines a horizontal level, hereinafter referred to as level N2; the levels N1 and N2 define a horizontal level located midway thereafter, hereinafter referred to as level N3; the average height of the contact zones between the top of the tooth and the bottom of the upper lip is a horizontal level, hereinafter a level
Called N4; the distance between planes V1 and V2 is at least half the distance between the levels N3 and N4; characterized in that the floor covering further provides at least the combination of the following characteristics:

   - that the panels, and essentially also the aforementioned lips, are made of fiberboard of the type
MDF or HDF; - that the coupling means are designed such that the panels can be brought together by sliding them towards each other; and - the aforementioned space extends below the upper lip in such a way that this space has at least one of the following two characteristics

  <Desc / Clms Page number 11>

 responds: a) that the portion of this space below the level N3 extends inwards at least beyond the plane VI; b) that the portion of this space which is below the level N1 extends inwards at least beyond the plane V5.



  When all of the aforementioned criteria are met, an embodiment is obtained according to the invention in which, on the one hand, the aforementioned space is relatively large relative to the other parameters and, on the other hand, thanks to the specific application of the material MDF or HDF, yet still a sufficiently stable structure is preserved. The relatively large space formed in the lower lip gives the advantage that the tooth can take place more easily in the groove, as well as the advantage that the tooth can be of relatively solid design.



  In a special embodiment, this floor covering is further characterized in that the panels are rectangular and that coupling means are formed on both pairs of edges which offer a locking in horizontal and vertical direction, wherein at least a pair of these edges these coupling means are designed as aforesaid, and wherein at least two edges that are perpendicular to each other use is made of a groove which is bounded, respectively by an upper lip and a lower lip, wherein the lower lip in each case projects further than the upper lip, such that at least one corner of the panel two of such longer lips come together, wherein at the location of this angle at least the aforementioned space is continuously formed up to the end of the panel,

   in other words through the end of

  <Desc / Clms Page number 12>

 the angled lip extends. Because the aforementioned space is continuous, it is achieved that great flexibility can also be guaranteed in the relevant corner, since the locking parts of the longitudinal lower lip and transverse lower lip are then disconnected from each other by this continuous recess.



  According to an eighth aspect, the invention provides a floor covering consisting of hard panels, wherein these panels are provided on at least two opposite edges with coupling means designed in one piece with which the panels can be mutually coupled to each other, said coupling means providing a lock according to a direction perpendicular to the surface of the floor covering, as well as in a direction perpendicular to the relevant edges and parallel to the surface of the floor covering, and wherein: - the aforementioned coupling means comprise a tooth and a groove, said groove being on the bottom or top, respectively, is bounded by a lip, hereinafter referred to as lower lip and upper lip respectively; - the lower lip is longer than the upper lip;

   - at the portion of the lower lip extending beyond the free end of the upper lip, a locking portion is provided with a contact surface which, in coupled condition, cooperates with a contact surface arranged on the other panel; and - for the aforementioned locking part, in the direction of the groove, a space open at the top is formed in the lower lip;

   characterized in that the coupling means are such

  <Desc / Clms Page number 13>

 that the panels can be brought together by sliding them towards each other and that a recess is provided in the underside of the part to which the tooth is arranged and which extends from the tip of the tooth to the locking zone such that this recess cooperates with the locking portion in a position where the tooth is located in front of the groove. As a result, the tooth is lowered slightly as it were, as it were, at the moment that the locking part comes to sit in the recess, so that subsequently the tooth is positioned better in front of the groove of the other panel.



  The floor coverings, consisting of hard panels, which are known to date, and which allow glueless locking, do not allow panels to be removed from the center of the floor covering after the realization of a complete floor covering. This has the disadvantage that it is difficult to replace damaged panels, and it is also impossible to remove the floor covering locally, for example to carry out work on or in the subfloor, to install or lay cables under the floor covering, and so on. In the known systems, the panels must after all always be systematically broken up from an edge of the floor covering.



  According to a ninth aspect, the invention therefore aims at a floor covering made of hard panels, wherein it is possible to remove any panel from an existing floor covering and to re-install it, without the floor covering having to be systematically removed from one edge of the whole. be broken up.

  <Desc / Clms Page number 14>

 



    According to this ninth aspect, the invention provides for this purpose a floor covering consisting of hard panels, wherein these panels are provided on at least two opposite edges with coupling means designed in one piece with which the panels can be mutually coupled to each other, said coupling means providing a lock according to a direction perpendicular to the surface of the floor covering, as well as in a direction perpendicular to the relevant edges and parallel to the surface of the floor covering, wherein the aforementioned coupling means are designed such that, on the one hand, two coupled panels of flat condition with their bottom can be turned towards each other by at least a certain angle, while, on the other hand,

   this rotation allows the aforementioned two panels to be removed from adjacent panels from between.



  According to a first preferred embodiment, the coupling means are designed such that they allow the two panels, when they are in a floor covering, to be pulled up at their coupled edges, such that at least one of the opposite edges, which in connection with the adjacent panels are provided, disconnection occurs.



  According to a second preferred embodiment, the coupling means are designed such that they allow the two panels, when they are in a floor covering, to be pulled up at their coupled edges, such that the coupling, more particularly the vertical coupling, at the relevant edges themselves is broken and a disconnection becomes possible.

  <Desc / Clms Page number 15>

 



   In a particularly practical embodiment, the floor covering is characterized in that the coupling means consist essentially of a tongue and a groove, the lip which is located at the bottom of the groove being longer than the lip at the top and the locking according to the substantially horizontal direction. is obtained by a locking portion on the lip located on the underside of the groove and a locking portion cooperating with it on the underside of the other panel, these coupling means allowing the panels to be brought together by means of a rotational movement and wherein the coupled condition above the first-mentioned locking part, as well as below the second-mentioned locking part, spaces are present which allow a further rotation.



   The above-described nine aspects of the invention can occur individually or can be combined with one another, this according to all possible combinations, as long as the embodiments as described according to the above-mentioned nine aspects have no contradictory properties.



   The invention naturally also relates to panels with which the floor coverings described above can be realized.



   With the insight to better demonstrate the characteristics of the invention, a few preferred embodiments are described below as an example without any limiting character, with reference to the accompanying drawings, in which: figure 1 schematically represents a hard panel;

  <Desc / Clms Page number 16>

 
 EMI16.1
 figure 2 schematically represents a part of a floor covering from hard panels; figure 3 shows an embodiment of coupling means used in a floor covering according to the invention,

   seen according to a cross-section corresponding, for example, to cross-section III-III in figure 2 figure 4 represents a cross-section according to line IV-IV in figure 2 figure 5 shows a variant of figure 4 figures 6 to 8 the coupling means of figure 3 show in different positions figure 9 shows a variant of the coupling means of figure 3, figure 10 shows another variant, figures 11 to 13 shows the variant of figure 10 in different positions, figure 14 shows another variant, figure 15 shows another variant, figures 16 and 17 shows the coupling means of figure Fig. 15 shows in two other positions. Fig. 18 shows a corner part of a panel according to the invention. Fig. 19 shows in cross section another embodiment of the invention.

  a larger scale represents the part which is indicated by F21 in figure 20, figure 22 shows how the panels can be disconnected from the floor covering of figure 20, respectively can be coupled. figure 23 on a larger scale shows the part which is indicated by F23 in figure 22

  <Desc / Clms Page number 17>

 figure 24 represents another variant analogous to that of figure 21 for another variant; Figure 25 shows how the panels of Figure 24 can be mutually disconnected or coupled; figure 26 shows on a larger scale the part which is indicated by F26 in figure 25.



  As shown in Figures 1 and 2, the invention relates to a floor covering 1, as well as the hard panels 2 from which such floor covering 1 is constructed.



  As described in international patent application no. 97/47834, it is known that such panels 2 can be glued to each other gluelessly by using coupling means which, in the case that the panels 2 are rectangular, at least on a pair of opposite edges 3. -4, and preferably on both pairs of edges 3-4, 5-6 respectively, provided for a locking in a direction R1 perpendicular to the surface of the floor covering 1, and in a direction R2 perpendicular to the respective edges 3-4 or 5-6 and parallel to the surface of the floor covering 1.



  Coupling means can here be used which allow different coupling methods, but preferably both coupling by rotating into one another and by sliding into one another. The latter allows such panels 2 to be connected to each other in a known manner by first rotating them together, as shown with the panel 2A in Figure 2, at their edges 3-4, with a turning movement W1 and then by means of of a translation T1 at their edges 5-6.



  According to a variant, the connection can be at the edges 3-4

  <Desc / Clms Page number 18>

 of the relevant panels 2 can also be realized by starting from a position as schematically indicated with reference 2B, and coupling the relevant panel 2 by means of a translation T2.



  Also, while a panel 2A is held in a rotated position, a subsequent panel 2C at the respective edges 5 and 6 can be coupled thereto, either by a translation T3, or by a mutual rotation between the panels 2A and 2C, whereafter the two panels 2A and 2C can then be swiveled downwards to be locked to the previous row of panels.



  The present invention contemplates, as set out in the introduction, various new embodiments of coupling means for interconnecting such panels 2.



  Figure 3 shows an embodiment according to the aforementioned first aspect of the invention.



  In this embodiment, the floor covering 1 therefore consists of hard panels 2, which are provided on at least two opposite edges, in this case 5-6, with coupling means 7 formed in one piece with the panels 2, whereby several of such panels 2 can be mutually connected to each other linked. These coupling means 7 provide a lock in the direction R1 and R2.



  Furthermore, these coupling means 7 have a tooth 8 which is arranged on the edge 5 and a groove 9 which is arranged on the edge 6, in which the tooth 8 can take place. The groove 9 is hereby limited at the top by means of a

  <Desc / Clms Page number 19>

 lip 10, hereinafter referred to as the upper lip. At the bottom it is bounded by a lip 11, hereinafter referred to as the lower lip, which is longer than the upper lip 10, in other words, extends beyond the distal end 12 of the lip 10 in the horizontal direction.



  The locking in the direction R2 is obtained in that a locking portion 13 is formed on the lower lip 11 with an inwardly directed contact surface 14 which can co-act with a contact surface 15 which is opposite in the coupled state and which is formed on the edge 5.



  According to the invention, the edge 5 provided with the tooth 8 is of flexible design, while preferably the lip 11 is of rigid design, the latter by designing it with a relatively large thickness, as is clearly visible in Figure 3.



  The edge 5 is designed such that it can bend at different places. For example, the tooth 8 is bendable, but more importantly, this tooth 8, as shown, is preferably located on a portion 16 which is connected to the actual panel 2 via a bending zone 17, in the form of a local dilution.



  This bending zone 17 is preferably situated at the location as shown in Figure 3, in other words seen from the tooth 8, beyond the contact surface 15 and this bending zone 17, in the direction R1, has a thickness D1 that is less than half of the thickness of the panels 2 and / or less than 2/3 of the thickness D2 of the portion 16 on which the tooth 8 is positioned.

  <Desc / Clms Page number 20>

 



  In the case that the panels 2 consist of fiberboard, of the MDF or HDF type, it is even preferable that the thickness D1 is less than 3 mm, and more preferably less than 2
 EMI20.1
 mm.



  The bending zone 17 is against the top 18 of the panel 2 in question, which is particularly useful when MDF or HDF sheets are used, since such materials exhibit a greater density on the outer surfaces and thus the thickness at these locations can be minimized to a maximum obtain optimum flexibility.



  The embodiment according to the aforementioned first aspect offers, in addition to the advantages already mentioned in the introduction, also the following advantageous features: - Because of the fact that the contact surface 14 is situated relatively high, this contact surface 14 can be made more vertical, without thereby deviates much from the tangential directions P1 and P2 shown in Figure 3. A strong lock is thus obtained.



   - Because the flexibility in the coupling is in the upper side of the panel, it is obtained that when a tensile force is exerted on the panels, the locking mechanism contracts even more firmly.



   In the design of Figure 3, a stress concentration arises at the top of the panel 2, just behind the tooth 8, which results in a bending. This brings the stress concentration to the strongest place on the plate. In the deepest point of a groove 9

  <Desc / Clms Page number 21>

 practically no forces arise during the merging, so that cracks at this deepest point are virtually excluded.



  According to the aforementioned second aspect of the invention, which in the shown example of Figure 3 is combined with the aforementioned first aspect, the coupling means 7 consist at least of first coupling parts formed by co-operating contact surfaces 19-20 and on the top side of the tooth, respectively. 8 and the underside of the upper lip 10; second coupling portions formed by contact surfaces 21-22, respectively at the top of the lower lip 11 and the opposite portion 16 of the other panel 2; and third coupling portions providing the horizontal locking which are situated at the location of the lower lip 11, but further than the free end 12 of the upper lip 10, which are formed by the aforementioned contact surfaces 14 and 15.

   The special feature here is that the third coupling parts are located between the first and the second.



  The second coupling parts are preferably immediately adjacent to the third coupling parts. The contact surface 21 is herein formed by the top side of the aforementioned locking part 13, while the contact surface 22 is precisely opposite.



  According to the embodiment of Figure 3, there is a free space 23 below the tooth 8 which extends from the tip 24 of the tooth 8 to the third coupling parts, in other words the contact surface 14.



  The coupling means 7 are primarily intended for connection to a pair

  <Desc / Clms Page number 22>

 edges 5-6, while on the other edges 3-4 preferably coupling means 25 are provided as shown in figure 4 or figure 5, which are described in the international patent application no. 97/47834 and which allow the panels concerned to 2 can be brought together at least by a rotational movement along their upper edge or can be taken apart.



  In the case that the panels 2, as shown, are elongated, the coupling means 7 will preferably be provided on the short edges 5-6.



  However, the foregoing does not alter the fact that the coupling means 7 are provided on both pairs of edges 3-4 and 5-6, or on the longest edges 3-4, while a different connection is provided on the short edges.



  It is also not excluded that the panels 2 can only be provided with coupling means at a pair of edges, in which case the coupling means 7.



  Furthermore, the coupling means 7 are preferably embodied such that the panels 2 with their respective edges, in this case the edges 5 and 6, can be coupled to each other by sliding the panels 2 freely towards each other, as is shown step by step in Figures 6 to 8, and as described in more detail below. The coupling means 7 are also designed in such a way that the relevant edges, in this case the edges 5 and 6, can also be coupled to each other by a rotational movement or can be disconnected, as is shown in the axis line in Figure 3.



  The installation of the floor covering 1, with panels 2 containing coupling means 7, can then, for example, but not

  <Desc / Clms Page number 23>

 necessary as follows. In a condition as shown in Figure 2, the panel 2A is first coupled with its edge 3 to an edge 4 of already laid panels by presenting the panel 2A at an angle and rotating the aforementioned edges 3-4 into one another, whereby a connection such as for example in figure 4, or alternatively figure 5, arises.



  Subsequently, the panel 2A can be coupled to the previous panel with a translation T1, whereby the states as shown in Figs. 6 to 8 occur successively to the coupling means 7. It is clear that a bend in the tooth 8, and in this case, is evident. also to a greater extent in the bending zone 17, with the portion 16 with the contact surface 15 downwardly clicking behind the contact surface 14.



  Figure 9 shows an embodiment realized according to the aforementioned third aspect of the invention.



  The coupling means 26 employed herein exhibit, as the coupling means 7, first coupling parts formed by contact surfaces 19 and 20 and third coupling parts formed by contact surfaces 14 and 15. The special feature here is that the aforementioned second coupling parts are situated between the first and the third and the second coupling parts consist of contact surfaces 27-28 cooperating with each other and defining a local contact zone 29 which is located in the middle or substantially in the middle between the tip 24 of the tooth 8 and the third coupling parts, in other words the contact surface 14.



  As shown in Figure 9, a protrusion 30 may be present in the lower lip 11 at the area of the contact zone 29.

  <Desc / Clms Page number 24>

 



  Figures 10 to 13 show, for different positions, an embodiment with coupling means 31 which correspond to the aforementioned fourth aspect of the invention. Here, the upper lip 10 is longer than the lower lip 11 and the coupling means 25 which effect the locking in the horizontal direction consist of coupling parts formed from co-operating contact surfaces 32-33 which are respectively on the underside of the upper lip 10, outside the distal lower lip 11, and on the opposite portion of the edge of the other panel 2.



  The coupling means 31 are here embodied such that the coupling can be realized by sliding the panels 2 with the respective edges 5-6 towards each other, for example over a substrate, wherein they fit systematically into each other as shown in figures 10 to 12.



  As can be seen in the figures, the tooth 8 has a thinned end 34. There is also a free space 35 between the free end 36 of the lower lip 11 and the opposite part 37 under the tooth 8 of the other panel 2.



  The embodiment of figures 10 to 13 also illustrates the fifth aspect of the invention, in other words that the edges, in this case the edges 5 and 6, are provided with coupling means 31 that allow the panels 2 concerned to be mutually disconnected by they can be rotated with their undersides 38 downwards and towards each other, as is specifically shown in Figure 13. The aforementioned space 35 is helpful in this regard.

  <Desc / Clms Page number 25>

 



  The embodiment of figures 10 to 13 also corresponds to the sixth aspect of the invention, with the special feature that the locking in the horizontal direction is formed by coupling parts in the form of a local protrusion 39 in the upper side 40 of the aforementioned tooth 8, which engages in a recess 41 in the upper lip 10.



  Figure 14 shows a variant which also applies the aforementioned characteristics of the sixth aspect of the invention.



  Other details of this embodiment, which according to variants (not shown) must not all be combined with each other, are that the top 40 of the tooth 8, with the exception of the local protrusion 39, is substantially parallel to the surface of the floor covering 1 and in that the underside 42 of the tooth 8 is mainly formed by a smoothly curved surface which extends to the upper side 40 of the tooth 8. This embodiment also allows the panels 2 to be joined together by means of a substantially horizontal movement.



  Figure 15 shows a coupling with coupling means 43 which are designed according to the aforementioned seventh aspect of the invention. This relates to a coupling wherein: - the coupling means 43 comprise a tooth 8 and a groove 9, wherein this groove 9 is bounded at the bottom or top, respectively, by a lip, hereinafter referred to as lower lip 11 and upper lip 10, wherein the distal end
12 of the upper lip 10 a vertical plane, below

  <Desc / Clms Page number 26>

 called plane V1;

   - the lower lip 11 is longer than the upper lip 10; - at the part of the lower lip 11 which extends beyond the free end 12 of the upper lip 10, a locking part 13 is present with a contact surface 14 which cooperates in a coupled state with a contact surface 15 which is arranged on the other panel 2, said contact surfaces 14-15 forming a contact zone in coupled condition, the center M1 of which defines a vertical plane, hereinafter referred to as plane V2; - for the aforementioned locking part 13, in the direction of the groove 9, a space 44 is open at the top in the lower lip 11;

   - in the coupled state in cross-section, there is a contact zone in which the top of the tooth
8 makes contact with the underside of the upper lip 10, with the most inward point
C3 of this contact zone defines a first vertical plane, hereafter referred to as plane V3, the outermost point C4 of this contact zone defines a second vertical plane, hereinafter referred to as plane V4, and both planes V3 and V4 a vertical plane located midway between them , hereinafter referred to as plane V5; - the top of the locking portion 13 defines a horizontal level, hereinafter referred to as level N1; - the underside of the portion 16 to which the tooth 8 is arranged, which extends from the tip 24 of the tooth 8 to the locking zone, defines a horizontal level, hereinafter referred to as level N2;

   - the levels N1 and N2 located midway between them

  <Desc / Clms Page number 27>

 define horizontal level, hereinafter referred to as level N3; - the average height of the contact zone between the top of the tooth 8 and the bottom of the upper lip 10 defines a horizontal level, hereinafter referred to as level N4; and - the distance between the planes VI and V2 is at least half the distance between the levels N3 and N4.



  The special feature here is that this floor covering 1 furthermore at least provides the combination of the following features: - that the panels 2 and essentially also the aforementioned lips 10-11 are made of fiberboard of the MDF or HDF type; - that the coupling means 43 are designed such that the panels 2 can be brought into each other by sliding them towards each other; and - the aforementioned space 44 extends below the upper lip 10 in such a way that this space 44 meets at least one of the following two characteristics: a) that the part of this space 44 that is below the level N3 is inwards extends at least beyond the plane VI;

   b) that the portion of this space 44 which is below the level N1 extends inwards at least beyond the plane V5.



  By means of this specific combination, a space 44 is obtained which behaves proportionally to the other dimensions as a recess which extends over a relatively large distance in the direction R2,

  <Desc / Clms Page number 28>

 whereby the advantages mentioned in the introduction are obtained. Notwithstanding the relatively large cavity and consequently the fact that the lower lip 11 is relatively thin, a sufficient firmness is still retained thanks to the use of MDF or HDF as the base material, which has a layer-shaped fiber structure.



  The distance between the levels N1 and N2 is preferably less than 1/3 of the distance between the levels N2 and N4.



  Thus, the obstruction that is formed during the sliding of the panels by the locking portion 13 is limited to a minimum, so that the panels 2 can slide smoothly into each other.



  Furthermore, it is also preferred that, in cross section, the intersection point P4 between the plane V4 and the underside of the tooth 8 is lower than the level N1, and even better, lower than the level N3. The tooth 8 hereby acquires a relatively large thickness, which promotes its sturdiness.



  Furthermore, it is even more appropriate that the intersection point P5 between the plane V5 and the underside of the tooth 8 is situated lower than the level N1, and better still lower than the level N3.



  More specifically, even the intersection point P3 between the plane V3 and the underside of the tooth 8 will be lower than the level N1, and better still lower than the level N3.



  According to yet another preferred feature of the invention, the portion of the aforementioned space 44 which is below the plane N3 extends at least inwards up to the vertical plane V6 defined by the tip 24 of the tooth 8.

  <Desc / Clms Page number 29>

 In the case that the panels 2 are rectangular and coupling means are formed on both pairs of edges 3-4 and 5-6 which provide for a vertical and horizontal locking, wherein both edges 4 and 6 have a lower lip 11, respectively HA, which are longer is then the upper lip 11, it is preferable that, as shown in Fig. 18, in the corner 45, at least the aforementioned space 44 is continuous to the end of the panel 2, in other words through the end of the right angle lip 10A,

     and more particularly, the locking portion 13A thereof. Because, on the one hand, the space 44 is relatively large and, on the other hand, this space 44 extends through the locking part 13A and the locking parts 13 and 13A are disconnected from each other, a particularly flexible angle is obtained, which contributes to the easier joining of the panels .



  Figure 19 illustrates the aforementioned eighth aspect of the invention, wherein a recess 46 is provided in the underside of the tooth 8, such that in the mutual position of two panels 2 shown in Figure 19 the tooth 8 comes better for the groove. to sit.



  It is noted that in all the aforementioned embodiments the contact surfaces which effect the horizontal locking are preferably directed obliquely with respect to the surface of the floor covering 1. However, this does not exclude that according to a variant one or both contact surfaces are also perpendicular to the surface of the floor covering can be targeted. The contact surfaces may also be curved, the tangent in the center of the contact zone determining the aforementioned slope.

  <Desc / Clms Page number 30>

 



  In the case that these contact surfaces, or the tangent line thereto, are inclined, they preferably extend in a direction that is tangential or substantially tangential to a circle, the center of which is at a point of rotation around which the panels 2 can be rotated apart . As indicated in Figure 3, this means that the slope or direction B1 of the contact surfaces differs only slightly from the slope of the tangent B2 on the circle C.



  In order to provide a click effect, it is preferable that the direction 81 associated with the contact surfaces does indeed deviate from the direction of the aforementioned tangent B2 and is directed inwards, such that a click effect is produced when the two are rotated, the aforementioned direction B1 differs at most 300 from the aforementioned tangential direction B2.



  The foregoing can be used in all the rotatable embodiments described above, also in the embodiments in which the rotation is obtained by rotating the panels 2 downwards.



  The coupling means which are designed according to one or more of the first eight aspects of the invention are all particularly suitable for being provided at edges 3-4 and / or 5-6 where the panels 2 must be able to be put together by a shift.



  In the case that the panels 2 are rectangular, in other words square or elongated, it is preferred that they are provided on all four edges 3-4 and 5-6 with coupling parts which allow a vertical and horizontal locking, whereby at least two

  <Desc / Clms Page number 31>

 opposite edges 3-4 or 5-6 coupling means as described in one or more of the aforementioned first eight aspects are provided.



  In the case that the panels 2 are rectangular, the new coupling means are preferably present at least on the short edges 5-6. It is further preferred that coupling means are then present at the long edges 3-4 which permit joining or uncoupling by a rotational movement, which may be of a known nature or have also been realized in accordance with one of the aforementioned eight aspects.



  Figures 20 to 23 show an embodiment according to the ninth aspect of the invention. According to this ninth aspect, it concerns a floor covering 1 consisting of hard panels 2, wherein these panels 2 are provided on one at least two opposite edges, in the case of elongated panels 2, preferably the longitudinal edges 3-4, with one-part construction with the panels 2 coupling means 7 through which a plurality of such panels 2 can be mutually coupled to each other, said coupling means 7 providing a locking in a direction R1 perpendicular to the surface of the floor covering 1, and in a direction R2 perpendicular to the relevant edges 3-4, and parallel to the surface of the floor covering 1, wherein the aforementioned coupling means 7 are designed such that, on the one hand,

   two coupled panels 2 can be pivoted towards each other from their flat side with their underside through at least a certain angle, while, on the other hand, this rotation allows the aforementioned two panels 2 to be removed from panels 2D and 2E which are further adjacent therebetween.

  <Desc / Clms Page number 32>

 



  According to the embodiment of figures 20 to 23, the coupling means 7 are moreover designed such that, as shown in figure 22, they allow the two panels 2 to be pulled up from a flat state at their coupled edges 3 - 4, such that disconnection occurs at least at one of the opposite edges, which provide for the connection to the adjacent panels 2D and 2E. The panels 2 can thus be removed from an existing floor covering 1 by first pulling them up as mentioned above and then rolling up the left panel 2 of figure 22, as indicated in the axis, so that the left panel 2 of figure 22 can be removed. . The right-hand panel 2 can then also be removed.

   Initially pulling up the panels 2 can be done in any way, for example with a suction cup or by inserting a hook or the like through an opening formed in the floor covering, for example a borehole.



  Figures 20 to 26 show variants in which the coupling means 7 are designed such that they allow the two panels 2, from a flat condition, to be pulled up at their coupled edges 3-4, such that the coupling, more particularly the vertical coupling, at the respective edges 3-4 is broken. In such a case, disconnection with the panels 2D and / or 2E does not first have to be realized in order to be able to effect the disconnection between the two panels 2.



  Both in the embodiment of Figures 20 to 23 and those of Figures 24 to 26, the coupling means 7 mainly consist of a tooth 8 and a groove 9, the lip 11 located at the bottom of the groove 9 being longer

  <Desc / Clms Page number 33>

 is then the lip 10 on the upper side and the locking in the substantially horizontal direction is obtained by a locking portion 13 on the lip 11 and a locking portion 47 cooperating therewith on the underside of the other panel 2, said coupling means 7 allowing the panels 2 can be brought together by means of a turning movement and in which in the coupled state above the first-mentioned locking part 13, as well as below the second mentioned locking part 47 there are spaces 48-49 which allow a further rotation.



  Practically speaking, the aforementioned locking portions 13-47 are positioned such that with the aforementioned further rotation a lateral clearance S is obtained, as schematically indicated in Fig. 21, whereby a certain freedom of movement is obtained which is desirable to remove the panels 2 from between the fixed panels 2D and 2E.



  In the embodiment of Figs. 24 to 26, this lateral clearance S, as well as the configuration of the tooth 8 and the groove 9, are selected such that the right-hand panel 2 in the condition of Fig. 26 is, as it were, released and simply removed from the left panel 2 can be removed.



  More specifically, it holds here that the distance Z1 between the tip of the tooth 8 and the locking portion 47 located at the same edge is smaller than or equal to the distance Z2 between the tip of the lip 10 which delimits the top of the groove 9 and the locking portion 13 located on the lip 11 which delimits the underside of the groove 9.

  <Desc / Clms Page number 34>

 It is noted that in the embodiments of figures 20 to 26, the tooth 8 is preferably designed such that it can perform a rotational movement in the groove 9, this because this tooth 8 is more or less rounded, as shown in figures 20 to 23, or because it is relatively short as shown in Figures 24 to 26.



  As shown, coupling means are preferably provided both at the short edges and at the longitudinal edges, which allow locking in vertical and horizontal direction, all of which can be designed such that they allow coupling and disconnection as described above with reference to Figures 20. to 26. It is also possible to use the coupling means shown in these figures exclusively on the longitudinal edges, while on the short sides a different form of the coupling means is applied, for example as shown in figure 4.



  The present invention is by no means limited to the embodiments described as examples and shown in the figures, but such floor covering can be realized in various shapes and dimensions without departing from the scope of the invention.

Claims (46)

  1. Conclusions. 1. A lining covering consisting of hard panels (2), wherein these panels (2) are provided on at least two opposite edges (3-4,5-6) with coupling means (7) designed in one piece with the panels (2) so that several of such panels (2) can be mutually coupled, wherein these coupling means (7) provide a locking in a direction (R1) perpendicular to the surface of the floor covering (1), as well as in a direction (R2) perpendicular to the respective edges (3-4, 5-6) and parallel to the surface of the floor covering (1), wherein the aforementioned coupling means (7) comprise a tooth (8) and a groove (9) and wherein the lip (11) located at the bottom of the groove (9) is longer than the lip (10) at the top, characterized in that the edge (5) provided with the tooth (8)
     flexible.
  2.   Floor covering according to claim 1, characterized in that the lip (11) located on the underside of the groove (9) is rigid.
  3.   Floor covering according to claim 1 or 2, characterized in that at least the tooth (8) is bendable.
  4.   Floor covering according to one of the preceding claims, characterized in that the tooth (8) is located on a part (16) which is in communication with the actual panel via a bending zone (17), in the form of a local dilution (2).
  5.   Floor covering according to claim 4, characterized in that the bending zone (17) perpendicular to the direction (R1)  <Desc / Clms Page number 36>  the surface of the floor covering (1) has a thickness (D1) that is less than half the thickness of the panels (2).
  6.   Floor covering according to claim 4 or 5, characterized in that the bending zone (17) has a thickness (D1) that is less than 2/3 of the thickness (D2) in a direction perpendicular to the surface of the floor covering (1) ) of the part (16) on which the tooth (8) is positioned.
  7.   Floor covering according to one of claims 4 to 6, characterized in that the panels (2) consist of fiberboard, of the MDF or HDF type, and that the bending zone (17) has a thickness (D1) of less than 3 mm , and better still less than 2 mm.
  8.   Floor covering according to one of claims 4 to 7, characterized in that the bending zone (17) is located at the top (18) of the panel (2).
  9.   9. - Floor covering consisting of hard panels (2), wherein these panels (2) are provided with coupling means (7) on at least two opposite edges (3-4,5-6) whereby a plurality of such panels (2) mutually adhere to can be coupled to each other, said coupling means (7) providing a locking in a direction (R1) perpendicular to the surface of the floor covering (1), as well as in a direction (R2) perpendicular to the respective edges (3-4.5) -6) and parallel to the surface of the floor covering (1), wherein the aforementioned coupling means (7) comprise a tooth (8) and a groove (9) and wherein the lip (11) located on the underside of the groove ( 9), hereinafter referred to as lower lip (11), is longer than the upper lip, hereafter upper lip (10)  <Desc / Clms Page number 37>  called,
     characterized in that the coupling means (7) consist at least of first coupling parts formed by contact surfaces (19-20) cooperating with each other, on the top side of the tooth (8) and the bottom side of the upper lip (10), respectively; second coupling portions formed by contact surfaces (21-22), respectively at the top of the lower lip (11) and an opposite portion of the other panel (2); and third coupling portions providing the horizontal locking located at the location of the lower lip (11), but further than the free end (12) of the upper lip (10), said third coupling portions being between the first and the second.
  10.   Floor covering according to claim 9, characterized in that the third coupling parts consist of an inwardly contacting surface (14) arranged near this free end of the lower lip (11) and a contact surface (15) cooperating therewith. ) formed on the other panel (2).
  11.   Floor covering according to claim 10, characterized in that the second coupling parts consist of a contact surface (21) formed at the top of the free end of the lower lip (11), and a contact surface (22) cooperating therewith on the underside of the bottom other panel (2).
  12.   Floor covering according to one of claims 9 to 11, characterized in that under the tooth (8) there is a free space (23) that extends from the tip (24) of the tooth (8) to the third coupling parts (14) -15).
  13.   13. - Floor covering consisting of hard panels (2),  <Desc / Clms Page number 38>  wherein these panels (2) are provided with coupling means on at least two opposite edges (3-4,5-6) so that a plurality of such panels can be mutually coupled to each other, said coupling means providing a locking in a direction perpendicular to the plane of the floor covering (1), as well as in a direction perpendicular to the relevant edges and parallel to the surface of the floor covering, wherein the aforementioned coupling means comprise a tooth and a groove and wherein the lip which is located on the underside of the groove, hereinafter called lower lip (11), is longer than the upper lip, hereafter referred to as upper lip (10),
     characterized in that the coupling means consist of at least first coupling parts formed by contact surfaces cooperating with each other, respectively at the top of the tooth (8) and the bottom of the upper lip (10); second coupling portions formed by contact surfaces, respectively, at the top of the lower lip (11) and an opposite portion of the other panel;
     and third coupling parts which provide the horizontal locking which are situated at the location of the lower lip, but further than the free end of the upper lip, wherein the second coupling parts are situated between the first and the third and wherein these second coupling parts consist of contacting surfaces cooperating with each other and defining a local contact zone which is located in the middle or substantially in the middle between the tip (24) of the tooth (8) and the third coupling parts.
  14.   Floor covering according to claim 13, characterized in that the lower lip (11) has a protrusion (30) at the area of the contact zone (29).  <Desc / Clms Page number 39>  
  15.   Floor covering consisting of hard panels, wherein at least two opposite edges these panels are provided with coupling means designed in one piece with which the panels can be mutually coupled to each other, said coupling means providing a locking in a direction perpendicular to each other on the surface of the floor covering, as well as in a direction perpendicular to the relevant edges and parallel to the surface of the floor covering, and wherein the aforementioned coupling means comprise a tooth (8) and a groove (9), characterized in that the lip located at the top of the groove (9), hereinafter referred to as the upper lip (10), is longer than the lip located at the bottom of the groove (9), hereinafter referred to as the lower lip (11), and that the aforementioned coupling means ,
     contain coupling portions that effect locking in the horizontal direction, said coupling portions consisting of at least cooperating contact surfaces located respectively on the underside of the upper lip (10), outside the distal end of the lower lip, and on the opposite portion of the edge of the other panel.
  16.   Floor covering according to claim 15, characterized in that the tooth (8) has a thinned end (34).
  17.   Floor covering according to claim 15 or 16, characterized in that a free space (35) is present between the free end (36) of the lower lip (11) and the opposite part (37) below the tooth (8) of the other panel (2).  <Desc / Clms Page number 40>  
  18.   18. - Floor covering consisting of hard panels (2), wherein these panels (2) are provided on at least two opposite edges with coupling means designed in one piece with which the panels can be mutually coupled to one another, said coupling means providing a lock according to a direction (R1) perpendicular to the surface of the floor covering (1), as well as in a direction (R2) perpendicular to the relevant edges and parallel to the surface of the floor covering (1), and wherein the aforementioned coupling means have a tooth (8) and a groove (9), characterized in that the lip located at the top of the groove (9), hereinafter referred to as the upper lip (10), is longer than the lip located at the bottom of the groove (9), hereafter lower lip (11)
     and that the aforementioned coupling means comprise coupling parts which effect the locking in the horizontal direction, and wherein these coupling means allow these panels (2) to be mutually disconnected by pivoting them with their underside downwards and towards each other.
  19.   19. - Floor covering consisting of hard panels (2), wherein these panels (2) are provided on at least two opposite edges with coupling means designed in one piece with the panels (2) so that a plurality of such panels (2) can be mutually coupled to each other , wherein these coupling means provide a locking in a direction perpendicular to the surface of the floor covering, as well as in a direction (R2) perpendicular to the relevant edges and parallel to the surface of the floor covering, and wherein said coupling means have a tooth and a groove characterized in that the locking in the horizontal direction is formed by coupling parts in the form of a  <Desc / Clms Page number 41>  local protrusion (39) in the top of the aforementioned tooth (8), which engages in a recess in the lip (10)
     which limits the top of the groove (9).
  20.   Floor covering according to claim 19, characterized in that the top of the tooth (8), with the exception of the local protrusion (39), is substantially parallel to the surface of the floor covering (1).
  21.   Floor covering according to claim 19 or 20, characterized in that the underside of the tooth (8) is mainly formed by a smoothly curved surface that extends to the top of the tooth (8).
  22.   22. - Floor covering consisting of hard panels (2), wherein these panels (2) are provided on at least two opposite edges with coupling means designed in one piece with the panels (2) so that a plurality of such panels (2) can be mutually coupled to each other , wherein these coupling means provide a locking in a direction (R1) perpendicular to the surface of the floor covering, as well as in a direction (R2) perpendicular to the relevant edges and parallel to the surface of the floor covering, and wherein:
     - the aforementioned coupling means comprise a tooth (8) and a groove (9), said groove (9) being on the bottom or top, respectively, by a lip, hereinafter referred to as lower lip (11) and upper lip (10) respectively bounded, wherein the distal end (12) of the upper lip (10) defines a vertical plane, hereinafter referred to as plane VI; - the lower lip (11) is longer than the upper lip (10);  <Desc / Clms Page number 42>  - at the portion of the lower lip (11) extending beyond the free end of the upper lip (10) a locking portion (13) is present with a contact surface which, in coupled condition, cooperates with a contact surface arranged on the other panel wherein these contact surfaces form a contact zone in the coupled state, the center of which is a vertical plane, hereafter falconing Called V2;
     - for the above-mentioned locking part (13), in the direction of the groove (9), a space (14) open at the top is formed in the lower lip (11); - in a coupled state in cross-section, a contact zone exists in which the top of the tooth (8) makes contact with the bottom of the upper lip (10), the most inward point (C3) of this contact zone being a first vertical plane, hereinafter plane V3 defines, the outermost point (C4) of this contact zone defines a second vertical plane, hereinafter referred to as plane V4, and both planes V3 and V4 define a mid-plane vertical plane, hereinafter referred to as plane V5; the top of the locking portion (13) defines a horizontal level, hereinafter referred to as level N1;
     the underside of the portion (16) to which the tooth (8) is mounted, and which extends from the tip (24) of the tooth (8) to the locking zone, defines a horizontal level, hereinafter referred to as level N2; the levels N1 and N2 define a horizontal level located midway thereafter, hereinafter referred to as level N3;  <Desc / Clms Page number 43>  - the average height of the contact zone between the top of the tooth (8) and the bottom of the upper lip (10) defines a horizontal level, hereinafter referred to as level N4; - the distance between planes V1 and V2 is at least half the distance between levels N3 and N4; characterized in that the floor covering further provides at least the combination of the following characteristics:
     - that the panels (2) and essentially also the aforementioned lips (10-11) are made from fiberboard of the MDF or HDF type; - that the coupling means (43) are designed such that the panels (2) can be brought together by sliding them towards each other; and - that said space (14) extends below the upper lip (10) such that this space (44) meets at least one of the following two characteristics: a) that the part of this space (44) that below the level N3 extends inwards at least beyond the plane V1; b) that the portion of this space (44) which is below the level N1 extends inwards at least beyond the plane V5.
  23.   Floor covering according to claim 22, characterized in that the distance between the levels N1 and N2 is less than 1/3 of the distance between the levels N2 and N4.
  24.   Floor covering according to claim 22 or 23, characterized in that the point of intersection (P4) between the plane V4 and the underside of the tooth (8) is lower than the level  <Desc / Clms Page number 44>  N1, and even lower than the N3 level.
  25.   Floor covering according to one of claims 22 to 24, characterized in that the point of intersection (PS) between the plane V5 and the underside of the tooth (8) is lower than the level N1, and even better lower than the level N3 .
  26.   Floor covering according to one of claims 22 to 25, characterized in that the point of intersection (P3) between the plane V3 and the underside of the tooth (8) is lower than the level N1, and even better lower than the level N3 .
  27.   Floor covering according to one of claims 22 to 26, characterized in that the part of the above-mentioned space (44) which is located below the plane N3 extends at least inwards up to the vertical plane (V6) being determined through the tip (24) of the tooth (8).
  28.   Floor covering according to one of claims 22 to 27, characterized in that the panels (2) are rectangular and that coupling means are formed on both pairs of edges (3-4,5-6) that offer a locking in horizontal and vertical direction wherein at least a pair of these edges (3-4, 5-6) these coupling means (43) are embodied as aforementioned, and wherein at least two edges (4, 6) which are perpendicular to each other, use is made of a groove (9) bounded respectively by an upper lip (10, 10A) and a lower lip (11, 11A), the lower lip (11, 11A), respectively, protruding further than the upper lip (10, 10A), such that at least one corner (45) of the panel (2) two of such longer lips come together, wherein at the location of this corner (45)
     at least the aforementioned space (44)  <Desc / Clms Page number 45>  is continuous to the end of the panel (2), in other words extends through the end of the right-angled lip (11A).
  29.   29. - Floor covering consisting of hard panels (2), wherein these panels (2) are provided on at least two opposite edges with coupling means designed in one piece with which the panels can be mutually coupled to each other, whereby these coupling means provide a lock in a direction (R1) perpendicular to the surface of the floor covering (1), as well as in a direction (R2) perpendicular to the relevant edges and parallel to the surface of the floor covering (1), and wherein: - the said coupling means comprise a tooth (8) and a groove (9), said groove (9) being delimited at the bottom or top, respectively, by a lip, hereinafter referred to as lower lip (11) and upper lip (10) respectively;
     - the lower lip (11) is longer than the upper lip (10); - at the portion of the lower lip (11) extending beyond the free end (12) of the upper lip (10) a locking portion is present with a contact surface which, in coupled condition, cooperates with a contact surface connected to the other panel (2) ) is installed; and - for the aforementioned locking part, in the direction of the groove (9), a space open at the top is formed in the lower lip (11);
     characterized in that the coupling means are designed such that the panels (2) can be brought together by sliding them towards each other and that in the underside of the part to which the tooth (8) is attached  <Desc / Clms Page number 46>  and extending from the tip (24) of the tooth (8) to the locking zone, a recess is provided such that this recess interacts with the locking portion in a position where the tooth (8) is in front of the groove (8). 9).
  30.   Floor covering according to one of the preceding claims, characterized in that the coupling means are designed such that the panels (2) can be joined together by means of a substantially horizontal movement.
  31.   Floor covering according to claim 30, characterized in that the tooth (8) and the groove (9) are designed such that when two of such panels (2) slide freely towards each other, over a surface or the like, the tooth ( 8) automatically enters the groove (9).
  32.   Floor covering according to one of the preceding claims, characterized in that the panels (2) are rectangular and that they are provided on four edges with coupling means allowing a vertical and a horizontal locking, wherein at least two opposite edges are provided with coupling means, as described in one of the aforementioned claims.
  33.   Floor covering according to claim 32, characterized in that the panels (2) are elongated and that the coupling means described in one of claims 1 to 21 are arranged at least on the short sides.
  34.   34. - Floor covering according to one of the preceding  <Desc / Clms Page number 47>  claims, characterized in that the above-mentioned coupling means described in one of claims 1 to 21 are designed such that they can be rotated in and / or apart by a rotational movement.
  35.   Floor covering according to one of the preceding claims, characterized in that the coupling means (7, 25, 26, 31, 43) comprise coupling parts which effect locking in the horizontal direction (R2), by means of contact surfaces (14-15) which cooperating with each other, characterized in that these contact surfaces (14-15) extend in a direction (B1) tangential or substantially tangential to a circle (C) whose center is at a point of rotation around which the panels (2) can be rolled up.
  36.   Floor covering according to claim 35, characterized in that the contact surfaces (14-15) deviate slightly from said tangential direction (B2) and are directed inwards, such that a click effect is created when the other parts rotate, the said direction ( sphere) of the contact surfaces (14-15) or of the tangent determined thereby, deviates at most 300 from the aforementioned tangential direction (B2).
  37.   37. - Floor covering consisting of hard panels (2), wherein these panels (2) are provided on at least two opposite edges (3-4,5-6) with coupling means (7) designed in one piece with the panels (2) so that several of such panels (2) can be mutually coupled, wherein these coupling means (7) provide a locking in a direction (R1) perpendicular to the surface of the floor covering (1), as well as in a direction (R2) perpendicular to the concerning edges (3-4,  <Desc / Clms Page number 48>    EMI48.1  5-6) and parallel to the surface of the floor covering (1), characterized in that the aforementioned coupling means (7) are designed such that, on the one hand, two coupled panels (2)
     from a flat position with their underside being able to be turned towards each other through at least a certain angle, wherein, on the other hand, this rotation allows the aforementioned two panels (2) to be removed from panels (2) which are further along from between.
  38. 38. according to claim 37, characterized in that coupling means (7) are designed such that they allow the two panels (2) to be pulled up from their flat edges from their flat edges, such that at least one of the opposite edges providing a connection to the adjacent panels (2), disconnection occurs.
  39. 39. according to one of claims 37 or 38, characterized in that the coupling means (7) are designed such that they allow two panels (2), from a flat condition, to be pulled up at their coupled edges, until the coupling , more specifically the vertical coupling, is broken at the relevant edges.
  40. 40. according to one of claims 37 to 39, characterized in that the coupling means (7) consist essentially of a tooth (8) and a groove (9), the lip (11) being located on the underside of the groove (9). ) is longer than the lip (10) on the top and the locking in substantially horizontal direction is obtained by a locking portion (13) on the lip (11) which is on the underside of the groove (9)  <Desc / Clms Page number 49>  and a locking portion (47) cooperating therewith on the underside of the other panel (2), said coupling means (7) allowing the panels (2) to be brought together by means of a rotational movement and wherein in the coupled condition above the first-mentioned locking part (13), as well as spaces (48-49) under the second-mentioned locking part (47)
     be present that allow a further twist.
  41.   Floor covering according to one of claims 37 to 40, characterized in that the aforementioned locking parts (13-47) are positioned such that a lateral clearance (S) is created during the aforementioned further rotation.
  42.   Floor covering according to claim 41, characterized in that the lateral play (S), as well as the shape of the tooth (8) and the groove (9) are chosen such that the panel (2) whose tooth (8) is connected to the said coupling means (7) should, on the edge where this tooth (8) is arranged, become substantially free.
  43.   Floor covering according to claim 42, characterized in that the distance (Z1) between the tip (24) of the tooth (8) and the locking part (47) located at the same edge is less than or equal to the distance (Z2) ) between the tip (24) of the lip (10) bounding the top of the groove (9) and the locking portion (13) located on the lip (11) that bounds the bottom of the groove (9).
  44.   44. Floor covering according to one of claims 37 to 43, characterized in that the tooth (8) is such  <Desc / Clms Page number 50>  that it can perform a rotational movement in the groove (9).
  45.   45. Floor covering, characterized in that it consists of hard panels (2) which combine the features of two or more of the preceding claims in this respect.
  46.   46. Panel, characterized in that it has features as described in the preceding claims, and thus allows realization of a floor covering (1) according to one of these claims.
BE2000/0397A 2000-06-20 2000-06-20 Floor covering. BE1013569A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BE2000/0397A BE1013569A3 (en) 2000-06-20 2000-06-20 Floor covering.

Applications Claiming Priority (60)

Application Number Priority Date Filing Date Title
BE2000/0397A BE1013569A3 (en) 2000-06-20 2000-06-20 Floor covering.
US09/878,206 US6772568B2 (en) 2000-06-20 2001-06-12 Floor covering
EP16158949.4A EP3078786B1 (en) 2000-06-20 2001-06-20 Snap-lock for connecting floor covering panels
PCT/EP2001/007022 WO2001098603A2 (en) 2000-06-20 2001-06-20 Floor covering
EP01957874A EP1292744B1 (en) 2000-06-20 2001-06-20 Floor covering
AT01957874T AT543969T (en) 2000-06-20 2001-06-20 Flooring
EP07075168.0A EP1793065B1 (en) 2000-06-20 2001-06-20 Floor covering consisting of hard panels and panel therefor
EP07075169.8A EP1793063B1 (en) 2000-06-20 2001-06-20 Floor covering consisting of hard panels and panel therefor
AU7967701A AU7967701A (en) 2000-06-20 2001-06-20 Floor covering
CA002412641A CA2412641C (en) 2000-06-20 2001-06-20 Floor covering
CA2580835A CA2580835C (en) 2000-06-20 2001-06-20 Floor covering
KR1020027017326A KR100660957B1 (en) 2000-06-20 2001-06-20 Floor covering
PL35981001A PL359810A1 (en) 2000-06-20 2001-06-20 Floor covering
CA002580830A CA2580830C (en) 2000-06-20 2001-06-20 Floor covering
CA2843968A CA2843968C (en) 2000-06-20 2001-06-20 Floor covering
CA2453311A CA2453311C (en) 2000-06-20 2001-06-20 Floor covering
CNA2006101485749A CN101037892A (en) 2000-06-20 2001-06-20 Floor covering
RU2003101325/03A RU2250319C2 (en) 2000-06-20 2001-06-20 Floor covering (variants)
CNB018114725A CN100523404C (en) 2000-06-20 2001-06-20 Roof plate
ES10011932.0T ES2644884T3 (en) 2000-06-20 2001-06-20 Floor covering consisting of hard panels
JP2002504742A JP2004501300A (en) 2000-06-20 2001-06-20 Floor finish
CA2580837A CA2580837C (en) 2000-06-20 2001-06-20 Floor covering
AU2001279677A AU2001279677B2 (en) 2000-06-20 2001-06-20 Floor covering
BR0111803-0A BR0111803A (en) 2000-06-20 2001-06-20 Floor cover and panel
CA2704053A CA2704053C (en) 2000-06-20 2001-06-20 Floor covering
CA2903505A CA2903505C (en) 2000-06-20 2001-06-20 Floor covering
EP07075111.0A EP1785547B1 (en) 2000-06-20 2001-06-20 Floor covering
EP10011932.0A EP2275615B1 (en) 2000-06-20 2001-06-20 Floor covering consisting of hard panels
DE20121828U DE20121828U1 (en) 2000-06-20 2001-06-20 flooring
CA2815571A CA2815571C (en) 2000-06-20 2001-06-20 Floor covering
DE20122056U DE20122056U1 (en) 2000-06-20 2001-06-20 Floor covering laminate panels have tongue and groove couplings where the edge with the tongue is made flexible
EP16190528.6A EP3153640B1 (en) 2000-06-20 2001-06-20 Floor covering
CN2009101505303A CN101591966B (en) 2000-06-20 2001-06-20 Floor covering
ES16158949.4T ES2657806T3 (en) 2000-06-20 2001-06-20 Lace interlock to connect floor covering panels
NO20026106A NO20026106L (en) 2000-06-20 2002-12-19 Flooring
US10/890,456 US7343717B2 (en) 2000-06-20 2004-07-14 Floor panel having tongue and groove coupling edges
US10/890,264 US7093399B2 (en) 2000-06-20 2004-07-14 Floor covering
US10/890,285 US6968664B2 (en) 2000-06-20 2004-07-14 Floor covering
US10/890,283 US6968663B2 (en) 2000-06-20 2004-07-14 Floor covering
US10/890,284 US7624552B2 (en) 2000-06-20 2004-07-14 Floor covering
US11/979,317 US7779597B2 (en) 2000-06-20 2007-11-01 Floor covering
US12/010,917 US7721504B2 (en) 2000-06-20 2008-01-31 Floor panel having tongue and groove coupling edges
US12/821,604 US8438814B2 (en) 2000-06-20 2010-06-23 Floor covering
US13/893,556 US8631625B2 (en) 2000-06-20 2013-05-14 Floor covering
US13/893,426 US8627631B2 (en) 2000-06-20 2013-05-14 Floor covering
US14/093,729 US8793958B2 (en) 2000-06-20 2013-12-02 Floor covering
US14/320,887 US8904729B2 (en) 2000-06-20 2014-07-01 Floor covering
US14/560,704 US9068356B2 (en) 2000-06-20 2014-12-04 Floor covering
US14/723,848 US9234356B2 (en) 2000-06-20 2015-05-28 Floor covering
US14/972,313 US9334657B2 (en) 2000-06-20 2015-12-17 Floor covering
US15/064,274 US9482013B2 (en) 2000-06-20 2016-03-08 Floor covering
US15/064,298 US9376823B1 (en) 2000-06-20 2016-03-08 Floor covering
US15/064,293 US9388585B1 (en) 2000-06-20 2016-03-08 Floor covering
US15/064,289 US9394699B1 (en) 2000-06-20 2016-03-08 Floor covering
US15/064,303 US9388586B1 (en) 2000-06-20 2016-03-08 Floor covering
US15/290,117 US9624676B2 (en) 2000-06-20 2016-10-11 Floor covering
US15/487,802 US9856657B2 (en) 2000-06-20 2017-04-14 Floor covering
US15/844,792 US10125498B2 (en) 2000-06-20 2017-12-18 Floor covering
US16/184,356 US10407920B2 (en) 2000-06-20 2018-11-08 Floor covering
US16/563,356 US20190390465A1 (en) 2000-06-20 2019-09-06 Floor covering

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US (26) US6772568B2 (en)
EP (7) EP1785547B1 (en)
JP (1) JP2004501300A (en)
KR (1) KR100660957B1 (en)
CN (3) CN100523404C (en)
AT (1) AT543969T (en)
AU (2) AU2001279677B2 (en)
BE (1) BE1013569A3 (en)
BR (1) BR0111803A (en)
CA (5) CA2704053C (en)
ES (2) ES2644884T3 (en)
NO (1) NO20026106L (en)
PL (1) PL359810A1 (en)
RU (1) RU2250319C2 (en)
WO (1) WO2001098603A2 (en)

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US8793958B2 (en) 2014-08-05
CA2815571C (en) 2014-12-09
EP1292744A2 (en) 2003-03-19
US20130247501A1 (en) 2013-09-26
US10407920B2 (en) 2019-09-10
US20080148674A1 (en) 2008-06-26
US20040244322A1 (en) 2004-12-09
EP3078786A1 (en) 2016-10-12
US9334657B2 (en) 2016-05-10
EP1793063A2 (en) 2007-06-06
KR100660957B1 (en) 2006-12-28
US8631625B2 (en) 2014-01-21
US20160186444A1 (en) 2016-06-30
WO2001098603A2 (en) 2001-12-27
US9234356B2 (en) 2016-01-12
EP2275615B1 (en) 2017-08-02
CN101037892A (en) 2007-09-19
US8438814B2 (en) 2013-05-14
CA2412641A1 (en) 2001-12-27
US9856657B2 (en) 2018-01-02
US20040250493A1 (en) 2004-12-16
EP3153640B1 (en) 2019-11-06
US20190390465A1 (en) 2019-12-26
ES2657806T3 (en) 2018-03-06
BR0111803A (en) 2003-05-27
EP1793065A2 (en) 2007-06-06
US20190071879A1 (en) 2019-03-07
EP1793065A3 (en) 2009-08-26
KR20030014717A (en) 2003-02-19
EP1793063B1 (en) 2015-08-12
US20160186447A1 (en) 2016-06-30
US20100257809A1 (en) 2010-10-14
US20140090330A1 (en) 2014-04-03
CA2815571A1 (en) 2001-12-27
US7721504B2 (en) 2010-05-25
US8627631B2 (en) 2014-01-14
US20180106050A1 (en) 2018-04-19
EP2275615A3 (en) 2012-03-21
US8904729B2 (en) 2014-12-09
US20130247500A1 (en) 2013-09-26
CA2903505A1 (en) 2001-12-27
CA2843968C (en) 2015-11-03
US20080141610A1 (en) 2008-06-19
EP1785547A3 (en) 2009-12-16
US7624552B2 (en) 2009-12-01
AU2001279677B2 (en) 2006-10-19
US20160186448A1 (en) 2016-06-30
US7779597B2 (en) 2010-08-24
EP1292744B1 (en) 2012-02-01
US9388586B1 (en) 2016-07-12
US9068356B2 (en) 2015-06-30
AU7967701A (en) 2002-01-02
US6772568B2 (en) 2004-08-10
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US20140311079A1 (en) 2014-10-23
US20040237448A1 (en) 2004-12-02
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US20160102466A1 (en) 2016-04-14
NO20026106L (en) 2003-02-19

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